Career History
Click HERE
for a 25-page description of my research that I wrote in January
2003. The first 10 pages are intended for non-experts who have
some graduate training in mathematics, but parts might also be
of interest to undergraduates. The later parts are more
technical, because they are intended for mathematicians in
fields closely related to mine. It is a PDF file, so it requires
Acrobat Reader.

Note:

My older publications list "Dave
Witte" as the author, but I changed my name when I married Joy
Morris in December 2002.